Pillow



FIG. 1 is a top and front perspective view of a pillow showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a side elevational view thereof, the opposite side elevational view being a mirror image; and

FIG. 6 is a rear elevational view thereof. 

The ornamental design for a pillow, as shown and described. 